20565723969

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3169321}}^1$

素因数の和:3169437

約数の個数: 24

約数和(自身を含む): 34279386752

約数和(自身を除く): 13713662783

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 6489, 3169321, 9507963, 22185247, 28523889, 66555741, 199667223, 326440063, 979320189, 2285080441, 2937960567, 6855241323, 20565723969]

約数ペア:

[(1, 20565723969), (3, 6855241323), (7, 2937960567), (9, 2285080441), (21, 979320189), (63, 326440063), (103, 199667223), (309, 66555741), (721, 28523889), (927, 22185247), (2163, 9507963), (6489, 3169321)]